import re
zhPattern = re.compile(u'[\u4e00-\u9fa5]+')
#   输入科目
while True:
    subject = input('请输入科目:')
    issubject = str.isnumeric(subject)
    match = zhPattern.search(subject)
    if match == None:
        print('Your enter is wrong,Please enter angin\n(The sunject shoud be Chinese.)')
    else:
        break

